<template>
    <div :class='calendarClass'>
        <FullCalendar
          ref="calendar"
          :locale="$i18n.locale"
          height="parent"
          :firstDay="1"
          :eventLimit="true"
          :editable="!isSelectFirstDefault && true"
          :buttonText="buttonText" 
          :header="header"
          :plugins="calendarPlugins"
          :events="searchEvents"
          :customButtons="customButtons"
          :validRange="validRange"
          :defaultDate="defaultDate"
          @dateClick="onDateClick"
          @eventClick="onEventClick"
          @eventDrop="onEventDrop"
          defaultView="dayGridMonth"/>
          <modal v-model="modalVisible" width="250px" :title="$t('app.calendar.dateSelectModalTitle')" class-name='date-select-modal' @on-ok="gotoDate">
            <el-date-picker style="width: 200px;" v-model="selectedGotoDate" type="date"></el-date-picker>
          </modal>
    </div>
</template>


<script lang='tsx'>
import { Vue, Component, Prop, Provide, Emit, Watch, Model } from 'vue-property-decorator';
import { CreateElement } from 'vue';
import { Subject, Subscription } from 'rxjs';
import { ControlInterface } from '@/interface/control';
import { UIActionTool,Util } from '@/utils';
import Calendar_eventService from '@/service/calendar-event/calendar-event-service';
import CalendarEventService from './calendar-event-calendar-service';

import FullCalendar from '@fullcalendar/vue'
import dayGridPlugin from '@fullcalendar/daygrid'
import timeGridPlugin from '@fullcalendar/timegrid';
import listPlugin from '@fullcalendar/list';
import interactionPlugin from '@fullcalendar/interaction'


@Component({
    components: {
      FullCalendar,

    }
})
export default class CalendarEventBase extends Vue implements ControlInterface {

    /**
     * 名称
     *
     * @type {string}
     * @memberof CalendarEvent
     */
    @Prop() public name?: string;

    /**
     * 视图通讯对象
     *
     * @type {Subject<ViewState>}
     * @memberof CalendarEvent
     */
    @Prop() public viewState!: Subject<ViewState>;

    /**
     * 应用上下文
     *
     * @type {*}
     * @memberof CalendarEvent
     */
    @Prop() public context: any;

    /**
     * 视图参数
     *
     * @type {*}
     * @memberof CalendarEvent
     */
    @Prop() public viewparams: any;

    /**
     * 视图状态事件
     *
     * @public
     * @type {(Subscription | undefined)}
     * @memberof CalendarEvent
     */
    public viewStateEvent: Subscription | undefined;

    /**
     * 获取部件类型
     *
     * @returns {string}
     * @memberof CalendarEvent
     */
    public getControlType(): string {
        return 'CALENDAR'
    }



    /**
     * 计数器服务对象集合
     *
     * @type {Array<*>}
     * @memberof CalendarEvent
     */    
    public counterServiceArray:Array<any> = [];

    /**
     * 建构部件服务对象
     *
     * @type {CalendarEventService}
     * @memberof CalendarEvent
     */
    public service: CalendarEventService = new CalendarEventService({ $store: this.$store });

    /**
     * 实体服务对象
     *
     * @type {Calendar_eventService}
     * @memberof CalendarEvent
     */
    public appEntityService: Calendar_eventService = new Calendar_eventService({ $store: this.$store });
    


    /**
     * 关闭视图
     *
     * @param {any} args
     * @memberof CalendarEvent
     */
    public closeView(args: any): void {
        let _this: any = this;
        _this.$emit('closeview', [args]);
    }

    /**
     *  计数器刷新
     *
     * @memberof CalendarEvent
     */
    public counterRefresh(){
        const _this:any =this;
        if(_this.counterServiceArray && _this.counterServiceArray.length >0){
            _this.counterServiceArray.forEach((item:any) =>{
                if(item.refreshData && item.refreshData instanceof Function){
                    item.refreshData();
                }
            })
        }
    }


    /**
     * 是否默认选中第一条数据
     *
     * @type {boolean}
     * @memberof CalendarEvent
     */
    @Prop({ default: false }) public isSelectFirstDefault!: boolean;

    /**
     * 显示处理提示
     *
     * @type {boolean}
     * @memberof CalendarEvent
     */
    @Prop({ default: true }) public showBusyIndicator?: boolean;

    /**
     * 部件行为--load
     *
     * @type {string}
     * @memberof CalendarEvent
     */
    @Prop() public loadAction!: string;

    /**
     * 日历部件样式名
     *
     * @public
     * @type {any[]}
     * @memberof CalendarEvent
     */
    public calendarClass: string = "calendar";

    /**
     * 选中事件element元素
     *
     * @public
     * @type {any[]}
     * @memberof CalendarEvent
     */
    public selectedEventElement:any;

    /**
     * 引用插件集合
     *
     * @public
     * @type {any[]}
     * @memberof CalendarEvent
     */
    public calendarPlugins: any[] = [
        dayGridPlugin, 
        timeGridPlugin, 
        listPlugin, 
        interactionPlugin
    ];

    /**
     * 设置头部显示
     *
     * @public
     * @type {}
     * @memberof CalendarEvent
     */
    public header: any = {
        left: 'prev,next today gotoDate',
        center: 'title',
        right: 'dayGridMonth,timeGridWeek,timeGridDay,listWeek'
    };

    /**
     * 按钮文本集合
     *
     * @public
     * @type {}
     * @memberof CalendarEvent
     */
    public buttonText: any = {
        today: '今天',
        month: '月',
        week: '周',
        day: '天',
        list: '列'
    };

    /**
     * 自定义按钮集合
     *
     * @public
     * @type {}
     * @memberof CalendarEvent
     */
    public customButtons: any = {
        gotoDate: {
          text: "跳转",
          click: this.openDateSelect
        }
    };

    /**
     * 模态显示控制变量
     *
     * @public
     * @type boolean
     * @memberof CalendarEvent
     */
    public modalVisible: boolean = false;

    /**
     * 跳转日期
     *
     * @public
     * @type Date
     * @memberof CalendarEvent
     */
    public selectedGotoDate: Date = new Date();

    /**
     * 打开时间选择模态
     *
     * @public
     * @memberof CalendarEvent
     */
    public openDateSelect(){
        this.modalVisible = true;
    }

    /**
     * 跳转到指定时间
     *
     * @public
     * @memberof CalendarEvent
     */
    public gotoDate(){
        let appCalendar: any = this.$refs.calendar;
        let api = appCalendar.getApi();
        api.gotoDate(this.selectedGotoDate);
    }

    /**
     * 有效日期范围
     *
     * @public
     * @type {}
     * @memberof CalendarEvent
     */
    public validRange: any = {
        start:"0000-01-01",
        end:"9999-12-31"
    };

    /**
     * 默认加载日期
     *
     * @public
     * @type {}
     * @memberof CalendarEvent
     */
    public defaultDate: any = this.$util.dateFormat(new Date());

    /**
     * 设置按钮文本
     *
     * @public
     * @memberof CalendarEvent
     */
    public setButtonText(){
        this.buttonText.today = this.$t('app.calendar.today'),
        this.buttonText.month = this.$t('app.calendar.month'),
        this.buttonText.week = this.$t('app.calendar.week'),
        this.buttonText.day = this.$t('app.calendar.day'),
        this.buttonText.list = this.$t('app.calendar.list')
        this.customButtons.gotoDate.text = this.$t('app.calendar.gotoDate')
    }

    /**
     * 监听语言变化
     *
     * @public
     * @memberof CalendarEvent
     */
    @Watch('$i18n.locale')
    public onLocaleChange(newval: any, val: any) {
        this.setButtonText();
    }

    /**
     * 日程事件集合
     *
     * @public
     * @type {any[]}
     * @memberof CalendarEvent
     */
    public events: any[] = [];

    /**
     * 日历样式类型
     *
     * @public
     * @type {string}
     * @memberof CalendarEvent
     */
    public calendarType: string = "MONTH";

    /**
     * 搜索获取日程事件
     *
     * @param {*} $event 日期信息
     * @memberof CalendarEvent
     */
    public searchEvents(fetchInfo?:any, successCallback?:any, failureCallback?:any ) {
        let start = (fetchInfo && fetchInfo.start) ? this.$util.dateFormat(fetchInfo.start) : null;
        let end = (fetchInfo && fetchInfo.end) ? this.$util.dateFormat(fetchInfo.end) : null;
        let arg = { start: start, end: end };
        if(fetchInfo && fetchInfo.query){
            Object.assign(arg,{query : fetchInfo.query});
        }
        Object.assign(arg,{viewparams:this.viewparams});
        const post: Promise<any> = this.service.search(this.loadAction, JSON.parse(JSON.stringify(this.context)), arg, this.showBusyIndicator);
        post.then((response: any) => {
            if (!response || response.status !== 200) {
                if (response.errorMessage) {
                    this.$Notice.error({ title: '错误', desc: response.errorMessage });
                }
                return;
            }
            // 默认选中第一项
            this.events = response.data;
            if(this.isSelectFirstDefault){
                // 模拟$event数据
                let tempEvent = JSON.parse(JSON.stringify(this.events[0]));
                this.onEventClick(tempEvent,true);
                this.events[0].className = "select-first-event";
                this.calendarClass = "calendar select-first-calendar";
            }
            if(successCallback){
                successCallback(this.events);
            }
            // 刷新日历的大小（仅fullcalendar组件使用）
            if(!Object.is(this.calendarType,"TIMELINE")){
                let appCalendar: any = this.$refs.calendar;
                let api = appCalendar.getApi();
                api.updateSize();
            }
        }, (response: any) => {
            if (response && response.status === 401) {
                return;
            }
            this.$Notice.error({ title: '错误', desc: response.errorMessage });
        });
    }

    /**
     * 日期点击事件
     *
     * @param {*} $event 日期信息
     * @memberof CalendarEvent
     */
    public onDateClick($event: any) {
        let date = $event.date;
        let datestr = $event.dateStr;
    }

    /**
     * 获取编辑视图信息
     *
     * @param {*} $event 事件信息
     * @memberof CalendarEvent
     */
    public getEditView(deName: string) {
        let view: any = {};
        switch(deName){
            case "calendar_event": 
                view = {
                    viewname: 'calendar-event-main-view9', 
                    height: 0, 
                    width: 0,
                    title: this.$t('entities.calendar_event.views.mainview9.title'),
                    placement: '',
                    deResParameters: [],
                    parameters: [{ pathName: 'calendar_events', parameterName: 'calendar_event' }, { pathName: 'mainview9', parameterName: 'mainview9' } ],
                };
                break;
        }
        return view;
    }

    /**
     * 日程点击事件
     *
     * @param {*} $event calendar事件对象或event数据
     * @param {*} isOriginData true：$event是原始event数据，false：是组件
     * @param {*} $event timeline事件对象
     * @memberof CalendarEvent
     */
    public onEventClick($event: any, isOriginData:boolean = false, $event2?: any) {
        // 处理event数据
        let event: any = {};
        if(isOriginData){
            event = JSON.parse(JSON.stringify($event));
        }else{
            event = Object.assign({title: $event.event.title, start: $event.event.start, end: $event.event.end}, $event.event.extendedProps);
        }
        // 点击选中样式
        let JSelement:any = null;
        if(!isOriginData && $event.el){
            JSelement = $event.el;
        }else if(isOriginData && $event2 && $event2.currentTarget){
            JSelement = $event2.currentTarget;
        }
        if(JSelement){
            this.calendarClass = "calendar";
            if(this.selectedEventElement){
                this.selectedEventElement.classList.remove("selected-event");
            }
            this.selectedEventElement = JSelement;
            this.selectedEventElement.classList.add("selected-event");
        }
        // 处理上下文数据
        let _this = this;
        let view: any = {};
        let _context: any = Object.assign({},this.context);
        let itemType = event.itemType;
        switch(itemType) {
            case "Event":
                _context.calendar_event = event.calendar_event;
                view = this.getEditView("calendar_event");
                break;
        }
        // 导航栏中不需要打开视图，只要抛出选中数据
        if(this.isSelectFirstDefault){
            _context.itemType = itemType;
            this.selections = [_context];
            this.$emit("selectionchange",[_context]);
            return;
        }
        // 根据打开模式打开视图
        if (Object.is(view.placement, 'INDEXVIEWTAB') || Object.is(view.placement, '')) {
            const routePath = this.$viewTool.buildUpRoutePath(this.$route, this.context, view.deResParameters, view.parameters, [JSON.parse(JSON.stringify(_context))] , JSON.parse(JSON.stringify(this.viewparams)));
            this.$router.push(routePath);
        } else {
            let container: Subject<any> = new Subject();
            if (Object.is(view.placement, 'POPOVER')) {
                container = this.$apppopover.openPop(isOriginData ? $event2 : $event.jsEvent, view,JSON.parse(JSON.stringify(_context)),  JSON.parse(JSON.stringify(this.viewparams)));
            } else if (Object.is(view.placement, 'POPUPMODAL')) {
                container = this.$appmodal.openModal(view,  JSON.parse(JSON.stringify(_context)),  JSON.parse(JSON.stringify(this.viewparams)));
            } else if (view.placement.startsWith('DRAWER')) {
                container = this.$appdrawer.openDrawer(view,  JSON.parse(JSON.stringify(_context)),  JSON.parse(JSON.stringify(this.viewparams)));
            }
            container.subscribe((result: any) => {
                if (!result || !Object.is(result.ret, 'OK')) {
                    return;
                }
                // 刷新日历
                _this.refresh();
            });
        }
    }

    /**
     * 日历刷新
     *
     * @memberof CalendarEvent
     */
    public refresh() {
        if(Object.is(this.calendarType,"TIMELINE")){
            this.searchEvents();
        } else {
            let calendarApi = (this.$refs.calendar as any).getApi();
            calendarApi.refetchEvents();
        }
    }

    /**
     * 日程拖动事件
     *
     * @param {*} $event 事件信息
     * @memberof CalendarEvent
     */
    public onEventDrop($event: any) {
        if(this.isSelectFirstDefault){
          return;
        }
        let arg: any = {};
        let _context: any = Object.assign({},this.context);
        arg.start = this.$util.dateFormat($event.event.start);
        arg.end = this.$util.dateFormat($event.event.end);
        let itemType = $event.event._def.extendedProps.itemType;
        switch(itemType) {
            case "Event":
                arg.calendar_event = $event.event._def.extendedProps.calendar_event;
                _context.calendar_event = $event.event._def.extendedProps.calendar_event;
                break;
        }
        Object.assign(arg,{viewparams:this.viewparams});
        const post: Promise<any> = this.service.update(itemType, JSON.parse(JSON.stringify(_context)), arg, this.showBusyIndicator);
        post.then((response: any) => {
            if (!response || response.status !== 200) {
                if (response.errorMessage) {
                    this.$Notice.error({ title: '错误', desc: response.errorMessage });
                }
                return;
            }
        }, (response: any) => {
            if (response && response.status === 401) {
                return;
            }
            this.$Notice.error({ title: '错误', desc: response.errorMessage });
        });
    }

    /**
     * 选中的数据
     *
     * @returns {any[]}
     * @memberof CalendarEvent
     */
    public selections: any[] = [];

    /**
     * 获取多项数据
     *
     * @returns {any[]}
     * @memberof CalendarEvent
     */
    public getDatas(): any[] {
        return this.selections;
    }

    /**
     * 获取单项树
     *
     * @returns {*}
     * @memberof CalendarEvent
     */
    public getData(): any {
        return null;
    }
             
    /**
     * vue 生命周期
     *
     * @returns
     * @memberof CalendarEvent
     */
    public created() {
        this.setButtonText();
        this.afterCreated();
    }

    /**
     * 执行created后的逻辑
     *
     *  @memberof CalendarEvent
     */    
    public afterCreated(){
        if (this.viewState) {
            this.viewStateEvent = this.viewState.subscribe(({ tag, action, data }) => {
                if (!Object.is(tag, this.name)) {
                    return;
                }
            });
        }
    }

    /**
     * vue 生命周期
     *
     * @memberof CalendarEvent
     */
    public destroyed() {
        this.afterDestroy();
    }

    /**
     * 执行destroyed后的逻辑
     *
     * @memberof CalendarEvent
     */
    public afterDestroy() {
        if (this.viewStateEvent) {
            this.viewStateEvent.unsubscribe();
        }
    }

}
</script>

<style lang='less'>
@import './calendar-event-calendar.less';
</style>